CVE-2026-1561: ibm websphere_application_server Server-Side Request Forgery (SSRF)
Vulnerability summary
CVE-2026-1561 is a medium (CVSS 5.4) Server-Side Request Forgery (SSRF) vulnerability in ibm websphere_application_server. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.8% of scored vulnerabilities.
Timeline
- 25-03-2026PublishedVulnerability first disclosed.
- 26-03-2026Last modifiedVulnerability information updated.
Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.3 IBM WebSphere Application Server Liberty is vulnerable to server-side request forgery (SSRF). This may allow remote attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm2 products
- websphere_application_server≥ 17.0.0.3, < 26.0.0.4
- websphere_application_server_liberty≥ 17.0.0.3, ≤ 26.0.0.3
1 vendor · 2 products